


Hazardous Weather Conditions
Current conditions at
John Glenn Columbus International Airport (KCMH)
Lat: 39.99°NLon: 82.88°WElev: 807ft.
Overcast
77°F
25°C
Humidity | 88% |
Wind Speed | S 9 mph |
Barometer | 29.95 in (1013.6 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 8.00 mi |
Heat Index | 78°F (26°C) |
Last update | 30 Jun 8:51 am EDT |
Extended Forecast for
Johnstown OH
Today
High: 84 °F
Showers
Likely then
T-stormsTonight
Low: 70 °F
T-storms
Likely then
Chance
ShowersTuesday
High: 83 °F
Chance
T-stormsTuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Independence Day
High: 85 °F
Sunny
Detailed Forecast
Today
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. High near 84. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. West wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly clear, with a low around 62. Northwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 83. West wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 64.
Independence Day
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Johnstown OH
40.16°N 82.69°W (Elev. 1112 ft)
40.16°N 82.69°W (Elev. 1112 ft)
4:00 am EDT Jun 30, 2025
9am EDT Jun 30, 2025-6pm EDT Jul 6, 2025